Churn-power.



PATENTED NOV. 20, 1906..

'3. G. DAVIS.

GHUEN POWER. APPLICATION FILED MAY13.1906.

3 SHEETS-SHEET 1.

zfilglnventor.

Attorneys rnz NORRIS PETERS cu wnsmucmu, n c.

PATENTED NOV. 20

' S. 'GJD'AVIS.

GHURN POWER. APPLICATION FILED MAY 13.1905.

3 SHEETS-SHEET 2.

Wfii

lnventor.

Witnesses Attorn eys THE NzmRls PETERS 647., WASHINGTON, n c.

itnesses v No. 836,100. PATENTED NOV. 20, 1906.

S.- G. DAVIS. GHURN POWER.

APPLICATION FILED MAY 13.1905.

3 SHEETS-SHEET 3.

Attorneys THE NORRIS PETERS cc'x, WASHINGTON, n. c.

{INITED STATES PATENT OFFICE.

STEPHEN G. DAVIS, OF RIDGE FARM, ILLINOIS, ASSIGNOR OF ONE- FOURTH TO JOHN E. MCCOY AND ONE-FOURTH TO MILTON *BUSBY, JR., OF RIDGE FARM, ILLINOIS.

CHURN-POWEFL.

Specification of Letters Patent.

Patented Nov. 20, 19cc.

To all whom it may concern.-

Be it known that I, STEPHEN G. DAVIS, a citizen of theoUnited States, residing at Ridge Farm, in the county of Vermilionand State of Illinois, have invented a new and useful Churn-Power, of which the following is a specification.

This invention relates to devices for operating churns and like apparatus, and has for its object to improve the construction and increase the efficiency and utility of devices of this character.

With these and other objects in view, which will appear as the nature of the invention is better understood, the same consists in certain novel features of construction, as hereinafter fully described and claimed.

In the accompanyingdrawings, forming a part of this specification, and in which corre sponding parts are denoted by like designating characters, is illustrated the preferred form of embodiment of the invention capable of carrying the same into practical operation,it being understood that the invention is not necessarily limited thereto, asvarious changes in the shape, proportions, and general assemblage of the parts may be resorted to without departing from the principle of the invention or sacrificing any of its advantages.

In the drawings thus employed, Figure 1 is aside elevation of the improved construction applied to a churn, with the body of the churn partially in section. Fig. 2 is a. front elevation of the improved device detached from the churn-body, seen along arrow 2 of Fig. 1. Fig. 3 isa longitudinal sectional elee vation on line 3 3 of Fig. 2. Fig. 4 is a plan view of a portion of the frame, detached, on line 4 4 of Figs. 1 and 2. Fig. 5 is perspective views of portions of the framework detached. Fig. 6 isa detail view, partially in 6 section, illustrating the application of the device to a rotary form of churn.

The improved devicecomprises a base or bed member 10, having a recess 11 in one side to bear against one side of the churn-body (represented at 1 2), and provided with a clamp member 13, hinged at one end, as at 14, to the member and bearing upon the oppositeside of the churn. Extending, respectively, from the base member 10 and the free end of the clamp member 13 are lugs 15 16,

the lug 15 having a threaded aperture and the lug 16 having a rod 17 rotatively mounted therethrough and withone end threaded for engaging the threaded aperture and the other end terminating in milled disk 18 for rotating the rod.

By this construction a simple and effective locking means is provided betweenthe clamp member and the base-member and the latter firmly secured upon the churn body.

The upper edge of the churn-body 12 is provided with a rib 20, overwhich channels in the recess 11 and the clamp member 13 fit, to increase the grip upon the body and Iprevent slipping.

T e' device may be readily ada I ted'to any form or sizeof churn-body, but 'or thepurpose of illustrationis shownappliedtoacir cular body of the usual barrel form; but it will be understood-that any form or size of the body portion may be employed; but asthe form or size of the-body is not essential the difierent forms are not. further illustrated. The upper face of the base member 10 is provided witha recess 21, in,which asupport.

ing-frame 22 rests and swinging therefrom at one end, as by a hinge 23 and as, indicated by arrow A, and secured removably in position at the other end, asby abutton24.

The frame 22 is formed with spacedlateral arms 73 74, having half-bearings in their outer faces, and mounted for rotationin-the half-bearing of the lower arm,7 4 is atubular shaft 25, extending into the churn body 12 andhaving dasher-blades 26 at. the lower, end andwith the upper. endextended and bearing against the under side of'thelupper arm73, as showninFig. 3.

Extending through the tubular shaft is an internal shaft 28, engaging thehalfrb'earing in the upper lateral ,arm 7 .3 and with dash? er-blades30 on its lower endbelow the'dash er.blades 26 ofithe tubular. shaft. The.tubu.- lar shaft 25 is supported in place by a bearing-cap32, disposed over thehalf-bearin'g of the arm 74, and theinternalshaft 28 is like wise supported in placeby abearing-cap 31, disposed over the half-bearing of the arm73, and the two bearing-caps unitedby a coupling-bar 33, the latter s ervingas a handle to operate the supporting-frame, as hereinafter described.

The bearings 31 32 are preferablyhinged at similar ends, as at 34 35, to the-frame 22 nor is provided to control the s eed of the and detachably secured at the other ends by bolts, as at 36 37, so that the shafts 25 28,

with their attached bevel-gears, 27 29, to-

gether with the dasher-blades carried thereby, may be easily detached when required.

A bevel-gear 27 is attached to the tubular shaft 25 above the lowerarm 74 and bears upon the same, and a bevel-gear 29 is attached to the internal shaft 28 above the upper arm 7 3'and bears upon the same.

Mounted for rotation horizontally of the frame 22 isa shaft 38, having a gear-pinion 39 on one end and a bevel-gear 40 on the other end, the bevel-gear engaging both the bevelears 27 and 29. Y

By t 's arrangement it will be obvious that when the shaft 38 is rotatedthe coaction of the gears 40, 27, and 29 will simultaneously rotate the shafts 25 and 28 and in opposite directions, and thus produce a rapid churning motion of the dasher-blades 26 and 30. Attached to'the base-frame 10 is another framework 41, having a shaft 42, mounted therein and carrying a coiled spring 43, coupled by one end to the shaft, as at 44, and to the framework 41 by the other end, as at 45. A gear-wheel 46 is loosely mounted upon the shaft 42 and coupled to the shaft by a winding-ratchet mechanism of the ordinary construction and indicated'at 47. A countershaft 48 is mounted forrotation in the frame 41 and rovided with a gear-pinion 49, en-

gaging t e gear-wheel 46, and a gear-wheel 50, engaging the gear-pinion 39 on the driveshaft 38.

By this arrangement the force of the spring 43 will be utilized to operate the churndasher members rapidly in opposite directions, and the motion may be continued indefinitely by winding up the shaft 42 as fast as the spring shows signs of running down.

- Mounted for rotation in the-frame 22 is a shaft 51, carrying a gear-wheel 52, engaged by another gear-wheel 53, carried by the main drive-shaft 38, and also mounted for ro' tation upon the frame 22, as by bearings 54 55, is another shaft 56, having a worm 57,

' engaged by the gear 52.

Attached to the upper end of the shaft 56 is a disk 58, having levers 59 60 pivoted therein, as at 61 62, and with balls 63 64 at their outer ends and coupled by links 65 66 at the inner ends to a friction member 67, longitudinally slidable, but held from rotary displacement upon the shaft. Disposed beneath the friction member 67 is another friction member 68, held from turning, as by a pin 69, fast to the frame 22, but adjustable vertically upon the shaft. An adjusting-lever 70 is pivoted at 71 to the frame 22 and bearing by one end beneath the friction member 68 and adjustable, as by a screw 7 2 at the outer end.

By this means a simply-constructed govershaft 25 and 28, and the force of t e governor is easily controlled by the screw 72, as will be obvious.

The bearing-caps 31 32 and connecting-bar 33 may swing to one side when desired to remove the dasher-shaft, together with'their connected bevel-gears, from the churn-body by merely disconnecting the two bolts 36 37, and the entire motor mechanism may be rotatively moved upon the hinge 23 by disengaging the button 24.

The inner end of the main drive-shaft 38 is extended and threaded, as at 80, to receive the threaded end of a coupling member 81, by which the device may be employed for operating an ordinary rotary churn, as indicated M75 in Fig. 6, the member 81 having a terminal socket 76 for coupling to the crankshaft 77 of the churn, as shown. I

When the device is employed for operating a rotary churn, the vertical dasher-shafts 25 28, together with the gears 27 29, caps 31 32 and connecting member 33 and the churnengaging bar 13 and clamp-screw 17 will be detached and the frame 10 secured rigidly to some stationary support, such as a table, (indicated at 78,) as by screws 79. r

The device is simple in construction, can be readily applied to any form or size of churn-body, and operates effectually for the purposes described.

Having thus described the invention, what is claimed is 1. A device of the character described comprising a base provided with means for removably embracing a churn, concentric dasher-shafts provided with independent spaced gears, a frame hinged to the base and embodying separable bearings for the dashershafts, means for storing mechanical energy, means to convert the stored energy into rotary motion, means to transmit the rotary motion to'rotate the gears and dasher-shafts simultaneously in opposite directions and a centrifugal governor operated by and to regulate the speed of the rotary movement.

2. In mechanism of the character described the combination with a base and means for clamping the same upon a churnbody; of a frame hinged on the base, means for locking the frame immovably to the base, telescopingshafts rotatably mounted within the frame, a separable bearing for each shaft, the movable portions of said bearings being integral and hinged to the fixed portions thereof, a motor fixedly connected to the base and power transmitting mechanism mounted upon and movable with'the frame for rotating the shafts in opposite directions simultaneously,

3. In mechanism of the character described the combination with a recessed base having a curved face and means for clamping a churn-body upon said face; of a frame IIO hinged to the base and seated within the recess, said frame adapted to extend across the recessed clamping-face of the base, dashershafts bearing upon the frame, bearing members hinged to the frame for retaining the two shafts thereon said members being rigidly connected, a motor fixedly secured to the base, and power-transmitting mechanism carried by the hinged frame and n0rmally in operative relation with the motor, said mechanism adapted to rotate the dasher-shafts simultaneously in opposite directions and to be disconnected from the m0- tor when the frame is swung upon its hinge.

In testimony that I claim the foregoing as r 5 my own I have hereto affixed my signature in the presence of two witnesses.

STEPHEN G: DAVIS.

Witnesses:

C. W. BUsBY, B. W. JAMES. 

